即食食品販售量極高，其中以御飯糰和麵包佔市場比例最高，方便快速的優勢是

即食食品販售量極高，其中以御飯糰和麵包佔市場比例最高，方便快速的優勢是主要原因。

結果 (英文) 1:

The sales volume of ready-to-eat food is extremely high. Among them, rice balls and bread account for the highest market share. The advantages of convenience and speed are the main reasons.

結果 (英文) 2:

Ready-to-eat food vendors sell a very high volume, of which rice balls and bread account for the highest proportion of the market, convenient and fast advantage is the main reason.

結果 (英文) 3:

即食食品販售量極高，其中以御飯糰和麵包佔市場比例最高，方便快速的優勢是主要原因。